Collaboration unit



FIG. 1 is a front perspective view of a collaboration unit mounted abovean electronic display screen;

FIG. 2 is a front perspective view of the collaboration unit of FIG. 1mounted below the electronic display screen;

FIG. 3 is a front perspective view of the collaboration unit of FIG. 1;

FIG. 4 is a back perspective view of the collaboration unit of FIG. 1;

FIG. 5 is a front view of the collaboration unit of FIG. 1;

FIG. 6 is a back view of the collaboration unit of FIG. 1;

FIG. 7 is a first side view of the collaboration unit of FIG. 1;

FIG. 8 is a second side view of the collaboration unit of FIG. 1;

FIG. 9 is a top view of the collaboration unit of FIG. 1; and,

FIG. 10 is a bottom view of the collaboration unit of FIG. 1.

Any portions shown using dashed lines are for illustrative purposes onlyand form no part of the claimed design.

CLAIM The ornamental design for a collaboration unit, as shown and described. 